#include "TGParser.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/system_error.h"
#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Main.h"
#include "llvm/TableGen/Record.h"
#include <algorithm>
#include <cstdio>
using namespace llvm;
namespace {
cl::opt<std::string>
OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"),
cl::init("-"));
cl::opt<std::string>
DependFilename("d",
cl::desc("Dependency filename"),
cl::value_desc("filename"),
cl::init(""));
cl::opt<std::string>
InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"));
cl::list<std::string>
IncludeDirs("I", cl::desc("Directory of include files"),
cl::value_desc("directory"), cl::Prefix);
}
static int createDependencyFile(const TGParser &Parser, const char *argv0) {
if (OutputFilename == "-") {
errs() << argv0 << ": the option -d must be used together with -o\n";
return 1;
}
std::string Error;
tool_output_file DepOut(DependFilename.c_str(), Error);
if (!Error.empty()) {
errs() << argv0 << ": error opening " << DependFilename
<< ":" << Error << "\n";
return 1;
}
DepOut.os() << OutputFilename << ":";
const TGLexer::DependenciesMapTy &Dependencies = Parser.getDependencies();
for (TGLexer::DependenciesMapTy::const_iterator I = Dependencies.begin(),
E = Dependencies.end();
I != E; ++I) {
DepOut.os() << " " << I->first;
}
DepOut.os() << "\n";
DepOut.keep();
return 0;
}
namespace llvm {
int TableGenMain(char *argv0, TableGenMainFn *MainFn) {
RecordKeeper Records;
OwningPtr<MemoryBuffer> File;
if (error_code ec =
MemoryBuffer::getFileOrSTDIN(InputFilename, File)) {
errs() << "Could not open input file '" << InputFilename << "': "
<< ec.message() <<"\n";
return 1;
}
MemoryBuffer *F = File.take();
SrcMgr.AddNewSourceBuffer(F, SMLoc());
SrcMgr.setIncludeDirs(IncludeDirs);
TGParser Parser(SrcMgr, Records);
if (Parser.ParseFile())
return 1;
std::string Error;
tool_output_file Out(OutputFilename.c_str(), Error);
if (!Error.empty()) {
errs() << argv0 << ": error opening " << OutputFilename
<< ":" << Error << "\n";
return 1;
}
if (!DependFilename.empty()) {
if (int Ret = createDependencyFile(Parser, argv0))
return Ret;
}
if (MainFn(Out.os(), Records))
return 1;
if (ErrorsPrinted > 0) {
errs() << argv0 << ": " << ErrorsPrinted << " errors.\n";
return 1;
}
Out.keep();
return 0;
}
}